//
// Created by 86136 on 2024/11/14.
//
// Line.h
#ifndef LINE_H
#define LINE_H
#include <iostream>
#endif
class OutLine
{
public:
    OutLine(int x1, int y1, int x2, int y2);
    ~OutLine();
    void showOutLine();
private:
    // 嵌套类的前向声明
    class Line;
    Line * _Lineptr;
};